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    <title>Document</title>
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    <script>
        /* 
    Promise.reject:
      - 默认返回一个失败的promise实例,值是reject接受的实参(无论这个实参是不是promise实例),快速把一个值包装成promise实例
  
  */
        const result = Promise.reject(1);
        console.log("result", result);


        const result2 = Promise.reject(new Promise((resolve, reject) => {
            // resolve(1)
            reject("err")
        }));
        console.log("result2", result2);
    </script>
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